18685563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7151}}^1$

素因数の和:7234

約数の個数: 16

約数和(自身を含む): 27234816

約数和(自身を除く): 8549253

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7151, 21453, 92963, 278889, 479117, 1437351, 6228521, 18685563]

約数ペア:

[(1, 18685563), (3, 6228521), (13, 1437351), (39, 479117), (67, 278889), (201, 92963), (871, 21453), (2613, 7151)]